1 files changed, 58 insertions, 0 deletions
diff --git a/ext/IO/poll.h b/ext/IO/poll.h
new file mode 100644
index 0000000000..d17edffd79
--- /dev/null
+++ b/ext/IO/poll.h
@@ -0,0 +1,58 @@
+/*
+ * poll.h
+ *
+ * Copyright (c) 1997-8 Graham Barr <gbarr@pobox.com>. All rights reserved.
+ * This program is free software; you can redistribute it and/or
+ * modify it under the same terms as Perl itself.
+ *
+ */
+
+#ifndef POLL_H
+#  define POLL_H
+
+#if defined(I_POLL) || defined(POLLWRBAND)
+#  include <poll.h>
+#  ifndef HAS_POLL
+#    define HAS_POLL
+#  endif
+#else
+#ifdef HAS_SELECT
+
+
+/* We shall emulate poll using select */
+
+#define EMULATE_POLL_WITH_SELECT
+
+typedef struct pollfd {
+    int fd;
+    short events;
+    short revents;
+} pollfd_t;
+
+#define	POLLIN		0x0001
+#define	POLLPRI		0x0002
+#define	POLLOUT		0x0004
+#define	POLLRDNORM	0x0040
+#define	POLLWRNORM	POLLOUT
+#define	POLLRDBAND	0x0080
+#define	POLLWRBAND	0x0100
+#define	POLLNORM	POLLRDNORM
+
+/* Return ONLY events (NON testable) */
+
+#define	POLLERR		0x0008
+#define	POLLHUP		0x0010
+#define	POLLNVAL	0x0020
+
+int poll _((struct pollfd *, unsigned long, int));
+
+#ifndef HAS_POLL
+#  define HAS_POLL
+#endif
+
+#endif /* HAS_SELECT */
+
+#endif /* I_POLL */
+
+#endif /* POLL_H */
+